Drill bit blade



FIG. 1 is a perspective illustration of the drill bit blade of thepresent invention;

FIG. 2 is a front elevation view of the drill bit blade of FIG. 1, therear elevation view being a mirror image;

FIG. 3 is a left end elevation view of the drill bit blade of FIG. 1,the right end elevation being a mirror image;

FIG. 4 is a top plan view of the drill bit blade of FIG. 1; and,

FIG. 5 is a bottom plan view of the drill bit blade of FIG. 1.

The ornamental design for a drill bit blade, as shown and described.